- Convert to pip-based build and libalternatives

OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-seqdiag?expand=0&rev=17

python-seqdiag.spec

@@ -0,0 +1,66 @@
+#
+# spec file for package python-seqdiag
+#
+# Copyright (c) 2025 SUSE LLC
+#
+# All modifications and additions to the file contributed by third parties
+# remain the property of their copyright owners, unless otherwise agreed
+# upon. The license for this file, and modifications and additions to the
+# file, is the same license as for the pristine package itself (unless the
+# license for the pristine package is not an Open Source License, in which
+# case the license is the MIT License). An "Open Source License" is a
+# license that conforms to the Open Source Definition (Version 1.9)
+# published by the Open Source Initiative.
+
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
+#
+
+
+%bcond_without libalternatives
+Name:           python-seqdiag
+Version:        3.0.0
+Release:        0
+Summary:        Python module to generate sequence-diagram images from text
+License:        Apache-2.0
+Group:          Development/Languages/Python
+URL:            http://blockdiag.com/
+Source:         https://files.pythonhosted.org/packages/source/s/seqdiag/seqdiag-%{version}.tar.gz
+BuildRequires:  %{python_module blockdiag >= 1.5.0}
+BuildRequires:  %{python_module pip}
+BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module wheel}
+BuildRequires:  alts
+BuildRequires:  python-rpm-macros
+Requires:       alts
+Requires:       python-blockdiag >= 1.5.0
+Requires:       python-setuptools
+BuildArch:      noarch
+%python_subpackages
+
+%description
+`seqdiag` generates sequence-diagram image files from spec-text files.
+
+* Generate sequence-diagram from dot like text (basic feature).
+* Multilingualization for node-label (UTF-8 only).
+
+%prep
+%setup -q -n seqdiag-%{version}
+
+%build
+%pyproject_wheel
+
+%install
+%pyproject_install
+%python_clone -a %{buildroot}%{_bindir}/seqdiag
+
+%pre
+%python_libalternatives_reset_alternative seqdiag
+
+%files %{python_files}
+%license LICENSE
+%doc CHANGES.rst README.rst
+%python_alternative %{_bindir}/seqdiag
+%{python_sitelib}/seqdiag
+%{python_sitelib}/seqdiag-%{version}*-info
+
+%changelog